(19)

(11)

EP 0 146 600 A1

(12)

(43) Date of publication: 03.07.1985 Bulletin 1985/27 (21) Application number: 84902355.0 (22) Date of filing: 01.06.1984

(51) International Patent Classification (IPC):  B41J 13/ 12( . ) (86) International application number: PCT/GB1984/000192 (87) International publication number: WO 1984/004901 (20.12.1984 Gazette 1984/30)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 03.06.1983 GB 19830015243 (71) Applicant: PRUTEC LIMITED London EC1N 2NH (GB)	(72) Inventors: WIGLEY, Richard, Simon The Old Forge Warwickshire CV8 2GL (GB) OWEN, Steven Patscentre International Herts SG8 6DP (GB)